Opera keeps crashing on startup (MacBook Pro, mid-2012)

A Former User

So apparently, today I opened up my computer from sleep mode and decided to open up Opera, and suddenly I heard a bit of crackle sounds coming out from my MacBook Pro's battery.. and Opera crashed. It opened up again automatically, crashed again, opened up again, crashed again, opened up again, crashed again and stopped opening up.
Let me be more detailed on how it crashes and opens up back here:
I click on Opera on the dock bar, the icon bounces, and Opera opens up, but in 7-10 seconds, it crashes. It opens up automatically again, but crashes in the same amount of time as the last one. This process was done for like, 4 times, until it stopped opening up again. There was first a crash apology page on the 3rd time it opened (and crashed), but there was no option for crash reports, and when I tried opening (and crashing) Opera again, there wasn't any crash apology page. (Don't know if "crash apology page" is right, but I hope ya'll understand.)
I tried again in a few hours later, and it happened once again; without the crackle sounds. I uninstalled Opera by throwing it from the Applications folder to the trash can (the way to uninstall it, I think?), and went to Safari to install it again. That's when I noticed something peculiar; MacKeeper popup ads were popping up all of a sudden, and I didn't install anything.. and I'm guessing that this might had to do with Opera crashing. I reinstalled Opera back on my Mac and the problem remains the same. I removed adwares and malwares that I found with Malwarebytes, restarted the computer, tried opening up Opera again and the problem STILL remains the same.

Steps to reproduce: (Try to) Open up Opera from the dock bar.
Actual result: Crashed and opened up again for 4 times.
Expected result: Opera would've been up and running and I'd be able to do my job.

The OS I'm currently using is a MacOS Sierra, version 10.12.5. Since I reinstalled Opera from the Opera website, I'm predicting I'm using the latest version of it; I don't know what it is but I hope ya'll know. Didn't have enough time to open up Opera and check it's version in the 7-10 seconds I have before it crashes.

Hope ya'll can help! I think this might be relating to either the crackling sound from the hardware of my Mac, or the adware that I had on Safari. Thanks!

zalex108

zalex108

Welcome to Opera's forums @Fazley01!

When you uninstall Opera (and some other software), some files, in this case the profile folder, remains on the computer (with the problems also), so, you should "reset" your Opera profile folder creating a new one.

To create a New Profile, (also known as a Clean profile), take a look at this discussion and follow the mentioned steps.
In the posts there are the Paths for Mac and the "How to show Mac system files", so don't bother about the Windows clean profile version, just keep reading.

Once finished and Opera works again, make a full profile folder back up and keep it safe (just forget the cache data).

Then, take a look at Back Up into my signature to know what files you'll need to recover once you create the new profile. (Keep in mind that what caused the problem it's on the original profile folder, so take care about what to recover to do not reproduce the problem again.)
Make another profile Back up during each file recovery and another one once the profile will be fully ready.

At the other hand, you could use opera://settings/syncSetup - Opera Sync service too.

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A Former User

Aye, it actually worked! Thanks!